Class 3 Exam > Class 3 Questions > Why are green plants dependent upon sun?a)For...
Start Learning for Free
Why are green plants dependent upon sun?
- a)For energy
- b)For keeping track of day and night
- c)For nitrogen
- d)None of these
Correct answer is option 'A'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
Why are green plants dependent upon sun?a)For energyb)For keeping trac...
Why are green plants dependent upon the sun for energy?
Green plants are dependent upon the sun for energy because of the process of photosynthesis. Photosynthesis is the process by which green plants use sunlight, along with water and carbon dioxide, to produce glucose (a type of sugar) and oxygen. This process occurs in the chloroplasts, which are specialized structures found in the cells of green plants.
Process of Photosynthesis:
1. Sunlight: The sun provides the energy needed for photosynthesis. Sunlight consists of different wavelengths, including visible light, which is essential for the process.
2. Chlorophyll: Green plants contain a pigment called chlorophyll, which is responsible for capturing sunlight. Chlorophyll absorbs light energy, particularly from the red and blue regions of the visible light spectrum.
3. Water: Plants absorb water from the soil through their roots. Water is essential for photosynthesis as it provides the hydrogen atoms needed to combine with carbon dioxide.
4. Carbon Dioxide: Plants also take in carbon dioxide from the air through tiny openings called stomata. Carbon dioxide is a source of carbon atoms for the production of glucose.
5. Glucose and Oxygen: In the chloroplasts, sunlight energy is used to convert water and carbon dioxide into glucose and oxygen. Glucose is a form of stored energy that plants use for growth, reproduction, and other metabolic processes. Oxygen is released as a byproduct and is released into the atmosphere.
Importance of Sunlight for Plants:
1. Energy Source: Sunlight is the primary source of energy for photosynthesis. Without sunlight, plants would not be able to produce glucose and would not have the energy to grow and survive.
2. Plant Growth and Development: The energy produced through photosynthesis fuels all the metabolic processes in plants, including cell division, protein synthesis, and the formation of new tissues.
3. Food Chain: Green plants are the primary producers in the food chain, meaning they are the source of food for other organisms. The energy stored in plants is transferred to herbivores, which are then consumed by carnivores and other organisms.
4. Oxygen Production: Oxygen released as a byproduct of photosynthesis is essential for the survival of many organisms, including humans. It is required for respiration, the process by which organisms release energy from glucose.
Therefore, green plants are dependent upon the sun for energy, as sunlight is the driving force behind photosynthesis, which allows plants to produce glucose and oxygen essential for their growth, survival, and the functioning of ecosystems.
Green plants are dependent upon the sun for energy because of the process of photosynthesis. Photosynthesis is the process by which green plants use sunlight, along with water and carbon dioxide, to produce glucose (a type of sugar) and oxygen. This process occurs in the chloroplasts, which are specialized structures found in the cells of green plants.
Process of Photosynthesis:
1. Sunlight: The sun provides the energy needed for photosynthesis. Sunlight consists of different wavelengths, including visible light, which is essential for the process.
2. Chlorophyll: Green plants contain a pigment called chlorophyll, which is responsible for capturing sunlight. Chlorophyll absorbs light energy, particularly from the red and blue regions of the visible light spectrum.
3. Water: Plants absorb water from the soil through their roots. Water is essential for photosynthesis as it provides the hydrogen atoms needed to combine with carbon dioxide.
4. Carbon Dioxide: Plants also take in carbon dioxide from the air through tiny openings called stomata. Carbon dioxide is a source of carbon atoms for the production of glucose.
5. Glucose and Oxygen: In the chloroplasts, sunlight energy is used to convert water and carbon dioxide into glucose and oxygen. Glucose is a form of stored energy that plants use for growth, reproduction, and other metabolic processes. Oxygen is released as a byproduct and is released into the atmosphere.
Importance of Sunlight for Plants:
1. Energy Source: Sunlight is the primary source of energy for photosynthesis. Without sunlight, plants would not be able to produce glucose and would not have the energy to grow and survive.
2. Plant Growth and Development: The energy produced through photosynthesis fuels all the metabolic processes in plants, including cell division, protein synthesis, and the formation of new tissues.
3. Food Chain: Green plants are the primary producers in the food chain, meaning they are the source of food for other organisms. The energy stored in plants is transferred to herbivores, which are then consumed by carnivores and other organisms.
4. Oxygen Production: Oxygen released as a byproduct of photosynthesis is essential for the survival of many organisms, including humans. It is required for respiration, the process by which organisms release energy from glucose.
Therefore, green plants are dependent upon the sun for energy, as sunlight is the driving force behind photosynthesis, which allows plants to produce glucose and oxygen essential for their growth, survival, and the functioning of ecosystems.
Free Test
FREE
| Start Free Test |
Community Answer
Why are green plants dependent upon sun?a)For energyb)For keeping trac...
A
Attention Class 3 Students!
To make sure you are not studying endlessly, EduRev has designed Class 3 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 3.
|
Explore Courses for Class 3 exam
|
|
Similar Class 3 Doubts
Top Courses for Class 3View all
Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer?
Question Description
Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer? for Class 3 2024 is part of Class 3 preparation. The Question and answers have been prepared according to the Class 3 exam syllabus. Information about Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 3 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer?.
Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer? for Class 3 2024 is part of Class 3 preparation. The Question and answers have been prepared according to the Class 3 exam syllabus. Information about Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 3 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 3.
Download more important topics, notes, lectures and mock test series for Class 3 Exam by signing up for free.
Here you can find the meaning of Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Why are green plants dependent upon sun?a)For energyb)For keeping track of day and nightc)For nitrogend)None of theseCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Class 3 tests.
|
|
Explore Courses for Class 3 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup